Double checkstand



FIG. 1 is a perspective view of a double checkstand embodying my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof taken from the left of FIG. 1;

FIG. 4 is a front elevational view thereof taken from the front of FIG.1; and

FIG. 5 is a rear elevational view thereof.

The ornamental design for a double checkstand, as shown.